Trebuchet Catapults
Science Fair Projects
Ideas and Sample Projects by Grade Level


Home Experiments Einstein Quiz Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Use a Catapult to Storm Castle Walls [E]
Determine if using a catapult can help an airplane fly farther and make the flight more accurate. [E]
What are catapults? [P]
Will the mass of an object thrown by a catapult affect its distance? [P]
Investigate how the distance of stretch in a rubber band at rest relates to the distance the rubber band travels after being released. [E]
How changing the length of the effort arm of a lever effects the amount of effort it takes to lift an object. [E]
Investigate the Motion of a Pendulum [E]
Pendulum Science Fair Projects and Experiments
Simple Machine Physics Concepts Science Fair Projects
Force, Motion & Energy Science Fair Projects and Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
Hinged vs. Fixed Trebuchet Counterweight Design [E]
Determine which launch angle results in the greatest distance for a projectile. [E]
The Distance a Trebuchet Catapult Can Throw Projectiles of Different Masses [E]
What Is the Optimal Release Angle for Shooting a Free Throw? [E]
Discover which size and material of spherical projectile delivers the optimal (deepest) penetration into a block of foam, when fired from a slingshot [E]
Distances a Catapult Can Propel Spheres of Differing Mass (Weight), Size and Density [E] [E]
How Does the Length of the Arm or Counterweight Mass of a Trebuchet Affect the Distance an Object Can Be Launched? [E] [E]
The Effect of Wheels on Catapult Efficiency [E]
Maximizing the Trajectory of a Trebuchet [E]
Evaluate how different sling lengths and counterweight masses affect the distance a trebuchet throws a ball. [E] [E]
Is the distance of a certain mass when launched by a catapult affected by the potential energy and angle of the catapult? [P]
Pendulum Science Fair Projects and Experiments
Simple Machine Physics Concepts Science Fair Projects
Force, Motion & Energy Science Fair Projects and Experiments
High School - Grades 10-12
P=Project   E=Experiment
Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance [E]
The Physics of Catapult Projectile Motion [E]
Useful Links
R=Resource
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
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